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Home >> Toyota >> 2016 >> Highlander XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 170 (SFI System [2GR-FXE] - Diagnostic Codes - (Hybrid) (2 Of 3)) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem [02/2014 - 11/2016] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

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Both of the following conditions are met -
Average engine load value ratio Less than 0.85, or higher than 1.26 (varies with estimated engine load)
Average air fuel ratio Less than -20%, or higher than 20%